Fixes #145
Merge pull request #146 from markotibold/#145

Fixes #145
Bumped version to 0.9.9
changed permission check in API from IsAuthenticated to IsAdminUser
Bumped version to 0.9.9.1
First stab at porting to rf2.
Ported PageList and PageDetail.
WIP, waiting for rf2 to support FileFields to be used with the ModelSerializer and custom callbacks with access to the request object.
https://groups.google.com/forum/?fromgroups=#!topic/django-rest-framework/jqBwt6WX5Jg
https://github.com/tomchristie/django-rest-framework/issues/7
Implement permission checking in a custom field.
Ported Files.
Ported the root api view.
Port PageTree.
Notify Permission class when an object is created.
Added pagination for files and images.
Make pagination work with Simple Datagrid.
Make pagination work with Simple Datagrid.
Retain docstrings explaining pagination requirements.
Bring back the friendly date time for file and image list views.
Ported Move views for Page and PageContentItem
Ported filtering behaviour for Files and Images.
Clean up.